The Italian denim label cast Loiza Lamers and Ben Melzer in a short film to promote its collection on German site About You - just months after casting transgender Israeli model Stav Strashko for its summer campaign.

Dutch Loiza, who was born a boy, and Ben, who grew up as a girl in Germany, model pieces from the collection in the behind-the-scenes style video.

Both have taken to Instagram this week to share the video and images with their fans.

Loiza wrote: 'Proud to Represent who we are and what we do with @diesel X @aboutyoude!' and was met with a wave of support from her 80,000 followers.

While 5ft 9in Loiza is unmistakably feminine in the pictures in a black and pink printed jumpsuit, Ben smoudlers in a beaten leather jacket and jeans. The pair undergo a number of outfit changes in the short film, from grungy dungarees to Diesel's signature jeans.

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The collection includes €179 (£153) denims and a €399 (£340) leather jacket, as well as t-shirts, underwear and accessories.

Though they may not be household names yet, the pair are stars on the rise; both have modelled for Calvin Klein, while Loiza won the tenth series of Holland’s Next Top Model in 2015.

Loiza Lamers, left, and Ben Melzers have been cast for Diesel's campaign to promote their new collaboration with German label All About You, and have been sharing snaps on Instagram

The pair take a break from filming to have a drink in behind-the-scenes footage. The pair undergo a number of outfit changes, from grungy dungarees to Diesel's signature jeans

Ben strikes his best pose in an image for the new campaign. Although they might not be household names yet, the pair are stars in their own right; both have modelled for Calvin Klein

Loiza models some of the latest pieces from Diesel. Born Lucas, she won the tenth series of Holland’s Next Top Model and has since fronted campaigns from major fashion brands

Born Lucas, the former hairdresser underwent gender reassignment surgery at the age of 18 and is now an outspoken campaigner for trans and LGBT rights as well as a globe-trotting model.

Meanwhile Ben, born Yvonne, became the first transgender male model to grace Men's Health magazine earlier this year. The vlogger and activist underwent treatment including a double mastectomy and testosterone shots prior to having reassignment surgery.

Speaking about the new campaign in an interview with Pride magazine, Loiza said that while there was undoubtedly a 'hype' surrounding transgender personalities at present, she was keen to show that they were also 'real models'.

'When Caitlyn Jenner came out, every transgender model was hyped up, but I'm not just hype,' she said.

Loiza, a former hairdresser, underwent gender reassignment surgery at the age of 18, and is now an outspoken campaigner for LGBT rights as well as a globe-trotting model

The pair pose for a photograph with the creative team. Loiza, centre, said she was determined to 'make it easier for other transgender models to come into this business'

Ben, right, became the first transgender male model to grace Men's Health magazine earlier this year. The vlogger and activist who underwent treatment including a double mastectomy

Loiza models a pair of baggy dungarees and an off-the-shoulder t-shirt. Diesel are blazing a trail when it comes to casting transgender models; they cast Israeli model Stav Strashko

'We wanted a big fashion brand who wants to work with us, and let us do this for equality of models, and make it easier for other transgender models to come into this business.'

Diesel are blazing a trail when it comes to casting transgender models; earlier this year they chose Stav Strashko to front their summer campaign alongside Joe Jonas.

However they are far from the first major label to snap up transgender talent in recent years.

Calvin Klein, & Other Stories and even New York department store Barneys have featured transgender models in their campaigns, while brands including Zara have rolled out androgynous clothing lines.

A spokesperson for Diesel said: 'Transgender models Benjamin Melzer and Loiza Lamers were chosen because they perfectly support the brand’s attitude: free-spirited, against all odds and fresh young minds. We as Diesel always support diversity in all its forms.'